September weather forecastBrastad, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Brastad, Sweden, with an average temperature fluctuating between 10°C (50°F) and 15.7°C (60.3°F).Temperature
In September, the average high-temperature marginally decreases from 19.3°C (66.7°F) in August to a still refreshing 15.7°C (60.3°F). An average low-temperature of 10°C (50°F) marks the month of September.Humidity
In Brastad, the average relative humidity in September is 81%.Rainfall
In Brastad, in September, it is raining for 12.9 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 136.6 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Brastad, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:14 and sunset at 20:13. On the last day of September, sunrise is at 07:17 and sunset at 18:50 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brastad, Sweden
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 10°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).
Average pressure in September
Brastad, Sweden
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in September
Brastad, Sweden
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest months (with the lowest average wind speed) are June and July (12.9km/h).
Average humidity in September
Brastad, Sweden
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Brastad, Sweden
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is August (35mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Brastad, Sweden
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Brastad, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Brastad, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brastad, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Brastad, Sweden
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is March (18.6 days).
The month with the least sunshine days is August (11.8 days).
Average UV index in September
Brastad, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Brastad, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 41).
Average visibility in September
Brastad, Sweden
- Average visibility in September: 9km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is February (8km).





